package com.platform.service.impl;

import com.platform.dao.ScheduleJobDao;
import com.platform.entity.ScheduleJobEntity;
import com.platform.service.ScheduleJobService;
import com.platform.utils.Constant.ScheduleStatus;
import com.platform.utils.RRException;
import com.platform.utils.ScheduleUtils;
import com.platform.utils.SpringContextUtils;
import org.quartz.CronTrigger;
import org.quartz.Scheduler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.PostConstruct;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 定时任务
 *
 * @author lipengjun
 * @date 2017年11月20日 下午2:16:40
 */
@Service("scheduleJobService")
public class ScheduleJobServiceImpl implements ScheduleJobService {
    @Autowired
    private Scheduler scheduler;
    @Autowired
    private ScheduleJobDao schedulerJobDao;

    /**
     * 项目启动时，初始化定时器
     */
    @PostConstruct
    public void init() {
        List<ScheduleJobEntity> scheduleJobList = schedulerJobDao.queryList(new HashMap<String, Object>());
        for (ScheduleJobEntity scheduleJob : scheduleJobList) {
            CronTrigger cronTrigger = ScheduleUtils.getCronTrigger(scheduler, scheduleJob.getJobId());
            //如果不存在，则创建
            if (cronTrigger == null) {
                ScheduleUtils.createScheduleJob(scheduler, scheduleJob);
            } else {
                ScheduleUtils.updateScheduleJob(scheduler, scheduleJob);
            }
        }
    }

    @Override
    public ScheduleJobEntity queryObject(Long jobId) {
        return schedulerJobDao.queryObject(jobId);
    }

    @Override
    public List<ScheduleJobEntity> queryList(Map<String, Object> map) {
        return schedulerJobDao.queryList(map);
    }

    @Override
    public int queryTotal(Map<String, Object> map) {
        return schedulerJobDao.queryTotal(map);
    }

    @Override
    @Transactional
    public void save(ScheduleJobEntity scheduleJob) {
        Object o = null;
        try {
            o = SpringContextUtils.getBean(scheduleJob.getBeanName());
        } catch (Exception e) {
            throw new RRException("任务类没找到");
        }
        scheduleJob.setCreateTime(new Date());
        scheduleJob.setStatus(ScheduleStatus.NORMAL.getValue());
        schedulerJobDao.save(scheduleJob);

        ScheduleUtils.createScheduleJob(scheduler, scheduleJob);
    }

    @Override
    @Transactional
    public void update(ScheduleJobEntity scheduleJob) {
        Object o = null;
        try {
            o = SpringContextUtils.getBean(scheduleJob.getBeanName());
        } catch (Exception e) {
            throw new RRException("任务类没找到");
        }
        List<String> list = new ArrayList<>();

        Class c = o.getClass();
        Method[] methods = c.getDeclaredMethods();

        for (int i = 0; i < methods.length; i++) {
            list.add(methods[i].getName());
        }
        if (!list.contains(scheduleJob.getMethodName())) {
            throw new RRException("任务类没找到该方法：" + scheduleJob.getMethodName());
        }

        ScheduleUtils.updateScheduleJob(scheduler, scheduleJob);

        schedulerJobDao.update(scheduleJob);
    }

    @Override
    @Transactional
    public void deleteBatch(Long[] jobIds) {
        for (Long jobId : jobIds) {
            ScheduleUtils.deleteScheduleJob(scheduler, jobId);
        }

        //删除数据
        schedulerJobDao.deleteBatch(jobIds);
    }

    @Override
    public int updateBatch(Long[] jobIds, int status) {
        Map<String, Object> map = new HashMap<>();
        map.put("list", jobIds);
        map.put("status", status);
        return schedulerJobDao.updateBatch(map);
    }

    @Override
    @Transactional
    public void run(Long[] jobIds) {
        for (Long jobId : jobIds) {
            ScheduleUtils.run(scheduler, queryObject(jobId));
        }
    }

    @Override
    @Transactional
    public void pause(Long[] jobIds) {
        for (Long jobId : jobIds) {
            ScheduleUtils.pauseJob(scheduler, jobId);
        }

        updateBatch(jobIds, ScheduleStatus.PAUSE.getValue());
    }

    @Override
    @Transactional
    public void resume(Long[] jobIds) {
        for (Long jobId : jobIds) {
            ScheduleUtils.resumeJob(scheduler, jobId);
        }

        updateBatch(jobIds, ScheduleStatus.NORMAL.getValue());
    }

}
